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add regression test for #79494

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use MCVE
This commit is contained in:
Takayuki Maeda 2022-06-29 11:29:51 +09:00
parent d40f24e956
commit 9ebe2d0c92
2 changed files with 17 additions and 0 deletions
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5
src/test/rustdoc-ui/issue-79494.rs Normal file
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// only-x86_64-unknown-linux-gnu
#![feature(const_transmute)]
const ZST: &[u8] = unsafe { std::mem::transmute(1usize) }; //~ ERROR cannot transmute between types of different sizes, or dependently-sized types

12
src/test/rustdoc-ui/issue-79494.stderr Normal file
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error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
--> $DIR/issue-79494.rs:5:29
|
LL | const ZST: &[u8] = unsafe { std::mem::transmute(1usize) };
| ^^^^^^^^^^^^^^^^^^^
|
= note: source type: `usize` (64 bits)
= note: target type: `&[u8]` (128 bits)
error: aborting due to previous error
For more information about this error, try `rustc --explain E0512`.